package com.example.datajpatable.webapi;

import com.example.datajpatable.domain.Student;
import com.example.datajpatable.service.StudentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.List;

@RestController
@RequestMapping("/webapi/login")
public class LoginRestController {
    @Autowired
    StudentService studentService;

    @GetMapping("/user")
    public int user(HttpServletRequest httprequest, String username, String password) {
        //获取用户名和密码是否存在
        List<Student> students = studentService.findBySnameAndPassword(username, password);

        if (students.size() > 0) {
            //如果存在，写入session

            HttpSession session = httprequest.getSession();
            session.setAttribute("userid", students.get(0).getId());

            session.setAttribute("user", students.get(0));

            return 1; //成功
        } else {
            //如果不存在，返回出错
            return -1;
        }

    }
}
